Gas lighting and heating apparatus.



No. 726,924. PATENTED MAY 5, 1903. I C. W. HINMAN.

GAS LIGHTING AND HEATING APPARATU APPLICATION FILED APRI16, 1902.

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PATENTED MAY 5, 1903.

0. W. HINMAN. v A v GAS, LIGHTING Am) HEATING APPARATUS.

APPLIOATION FILED AER. 16, 1902.

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NITED STAT S Patented May 5, 1903.

PATENT ,FFICE.

GAS LIGHTING AND HEATING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 726,924, dated May 5, 1903.

Application filed April s, 1902.

To all whom 112; may concern.-

Beit known that I, CHARLES W. HINMAN, of Boston, county of Suffolk, and State of Massachusetts, have invented an Improvement in Gas Lighting and Heating Apparatus, of which the following description, in connection with the accompanying drawings, is a specification, like characters on the drawings representing like parts.

This invention relates to incandescent gas lighting and heating apparatus, and has for its object to construct an apparatus adapted to increase the pressure of illuminating-gas from normal to abnormal as, for instance, from three inches or lthereabout to six or eight inches-and to deliver the gas under such increased pressure to a burner having air-inlets at the bottom and for lighting purposes bearing a refractory mantle. The increased pressure results in giving the gas issuing from the burnera velocity wherebya large amount of air is drawn in at the botf tom of the burner and a short intense flame produced, similar to ablowpipe-fiame, and

in case the burner bears a mantle the can; die-power of the light produced will be materially augmented. The increased pressure which results in the production of a flame, similar to a blowpipe flame, is herein referred to as a blowpipe-pressure.

The invention consists, essentially, in the combination of a burner having air-inlets at the bottom and for lighting purposes bear- I ing a refractory mantle, a pipe leading thereto, a holder from which said pipe leads having a pressure device whereby the gas is delivered at a constant blowpipepressure, a pump for delivering the gas to said holder having a pressure device greater than the pressure device of said holder, meansforopcrating said pump, and a pipe connecting said pump with a supply of illuminating-gas.

Figure 1 shows, in front elevation, an incandescent gas-lighting system which may be employed for carrying out this invention. Fig. 2 is an enlargedview of .the holder and the pump for delivering gas to said holder, said parts being shown in front elevation and partial section. Fig. 3 is a verticalsection of the valve of the hydraulic motor which operates to lift the bell of the pump.

Serial No. 103,125. (No model.)

Fig. 4: is a detail of a burner such as may be employed, having air-inlets at the bottom.

The apparatus herein shown for the sake ofillustrating this invention is in many respects similar in construction to the apparatus shown in my application Serial No. 96,230, yet it is understood that my invention herein is not limited to the particular construction of the apparatus herein shown. or represents the burner of the ordinary Welsbach type, it being open at the base for the inlet of the air and bearing a refractory mantle a, and a represents another burner of the ordinary Bunsen type, which may be employed for heating purposes. I) is a gas-pipe leading to said burner, which conducts the gas from a suitable holder to said burners.

The holder, which will now be described, is constructed similar to the holder shown in my aforesaidapplication and contains means for regulating the inlet of the gas, which is controlled-by the volume of gas contained in said holder. A

c is a tank of any suitable shape and size adapted to contain a quantity of water or other sealing liquid, and c is a bell of a cor responding shape adapted to work up and down in' said tank 0. within it a tube 0 or tubular cylinder, which is preferably centrally disposed therein and which rests upon the bottom of the tank and is suitably supported to occupy an upright position in said tank, said tube 0 forming a central chamber, which is open at the top and closed at the bottom. The tube 0 projects from the base of the tank up to a point above the level of the water or other sealing liquid. A pipe 0 ofany suitable length and diameter, is contained within the tube 0 which passes up through the bottom of the tank 0, and said The tank 0 contains pipe is preferably made long enough to project above the levelof the water in thetank,

although this is not material except in case of accidental leakage of the tube 0 The pipec is closed at its upper end by acap or plug 0 and at or near its upper end portion, above the level of the water in the tank, a

' plurality of exit-ori ices o are pro vided,w hich are arranged in different planes or at dilferent distances from the end ofthe pipe. The exit-orifices 0 may be made of any suitable ICO shape, as circular or oblong,

yet I prefer to make the uppermost one triangular at the top, as shown in Fig. 2. The pipe 0 which passes down through the bottom of the tank, is connected at its lower end to a hollow shell or case (1, located beneath said tank, and said pipe 0 is employed to conduct the gas from said hollow shell or case d to the bell of the holder. A centrally-disposed tube a is attached to the interior of the crown of the hell 0, which projects downward and is made long enough and small enough in diameter to project a short distance into the tube 0 The diameterof the tube 2 is less than the internal diameter of the tube 0 and moves telescopically therein as the bell rises and falls. The tube e has a plurality of exit-orifices e at its upper end, by which open communication be tween the bell and the interior of the tube 8 is established. The tube ehas atits lower end two like disks or plates 6 e fitted into it and rigidly connected with it, each having a central hole through it, adapting them to engage and slide along on the pipe c as a guide. The disks or plates e e are located a short distance apart to form between them a closed chamber, and they are disposed relatively to the pipe so that the uppermost disk or plate e works up and down in the pipe 0 over the exit-orifices 0 while the lowermost disk or plate always occupies a position below thelowermost exit-orifice. When the bell is in its most elevated position, the disk or plate 6 will occupy a position above all the exit-orifices c or will be raised sufficiently to close the uppermost orifice, and as all the other orifices Willbe located beneath it and between it and the disk or plate 6 it will be seen that all the orifices will be effectively closed As the bell falls the uppermost orifice c is first opened and then the others. The gas issuing from the uppermost orifice c or any of the orifices enters the tube and passes through the orifices e into the bell. The bell ismade quite large to hold a large volume of gas and is normally held in its most elevated position, and therefore serves as a holder. The bell settles a little as the gas is taken from the pipe I); but as the volume of gas taken from said pipe I) is immediately compensated for by the inflow to the holder from 'a pump to be described the bell will only settle a little and will come to a position of rest as soon as the inflow of gas equals the outflow, and then as soon as the inflow exceeds the outflow the bell will be lifted or restored to its normal elevated position. Therefore in practice, barring accidents, the bell will have but a limited movement.

The inflow of gas to the bell is regulated by the exit-orifices 0 which are opened more or less, according to the position of the bell. It but a small volume of gas is being taken from the pipe I), the bell will settle but a little, thereby opening more or less of the uppermost orifice 0 but if a large volume of gas is being taken from the pipe I) the bell will settle farther and open a number of exit-orifices; yet as soon as the outflow ceases the bell immediately rises and shuts off the inflow. Therefore the pipe 0 having the exit-orifices and the devices cooperating therewith for controlling the inflow of gas, serve as a controlling device or valve.

The bell c is provided with weights 0", any number of which may be employed, whereby the gas delivered to the pipe I) will be under extraordinary or blowpipe pressure.

g represents a gas-pipe leading to the hollow shell or case d, (see Fig. 2,) which conducts gas thereto, so that by pipe 0 the gas will be delivered to the holder through the orifices 6. Within the hollow shell or case d a check-valve d is provided, which controls the delivery of gas from the pipe g. The pump employed is adapted to deliver gas to the holder by the conducting-pipe g.

i represents a tank adapted to contain water or other sealing liquid, and t" a bell Working up and down therein. A pipe 9 is connected to the pipe g,which projects up through the bottom of thetank 'i to a point above the level of the water, and at the junction of said pipes g g a T-coupling g is provided, containing or having connected to it, at its lower end, a check-valve g to which a pipe 9 is connected, which is connected with any suitable supply of illuminatinggas. \Vhen the bell is lifted, the check-valve g will'be opened and a supply of gas will be drawn into the bell, and when said bell falls said checkvalve 9 will be closed and the gas will be conducted by the pipe.g to the holder. The hell 1; is provided with a plurality of large weights 2'", which will cause it to descend and deliver the gas to the holder at a pressure greater than the pressure employed by said holder in delivering the gas to the pipe I), so as to lift the bell c of the holder and maintain it in an elevated position. The bell v) is designed to be lifted automatically, and, as herein shown, a hydraulic motor is provided for this purpose, which may be of any ordinary construction.

Contained within the tank t' is a cylinder j, of small diameter, which is connected at the bottom to the base of the tank, and said cylinder has at its upper end a stuffing-box in which a piston-rod j works, having a piston j at its lower end working in saidcylinder', the upper end of said piston-rod being attached to the crown of the bell t". The cylinderj has connected to its lower end a pipe j, which is connected to the outlet-port of a valve-casefi. (See Fig. 3.) The valve-case 3' is provided with an outlet-port j, to which said pipe j is connected, an inlet-portf, and a waste-portj and contains two pistons j? 3' attached to a rod 3' working in a stuffingboxj at the end of the cylinder. The pistons j j are disposed on the rod in such relative position as to occupy different positions with relation to the ports when the rod bearing them is moved-as, for instance, in one position, as shown by full lines, Fig. 3, the

outlet and inlet ports open into a chamber or.

space between said pistons, and when in such position the water passes from the inlet-port through the outlet-port and into the cylinder j and acts to lift the bell t", and when said pistons occupy the dotted-line position (shown in Fig. 3) the inlet-port is disconnected from the outlet port and the outlet-port connected with the wasteport. The piston-rod 7' is loosely connected at its upper end to a rocking bar is, pivoted at to a suitable support, and said bar is acted upon by ordinary tumbler devices, which are connected by a chain or cord m with a rod m, which is attached to the bell.

The tumbler devices for operating the rocking bar 70 consist of a weighted arm k loosely pivoted at is independent of the rocking bar, which is adapted to be thrown in opposite ways to engage and operate said bar it. The weighted arm W has a lateral projection k which is engaged by a pivoted counterbalanced arm 70, also loosely pivoted at It independent of the other parts. One end of the arm 70 is connected by the chain or cord m with the rod m. As the bell rises one end of the arm 70 is lifted, and said arm by enga ing the projection on the weighted arm lifts said Weighted arm into perpendicular position and throws it a little farther, and as soon as said weighted arm passes its perpendicular position it falls by gravity to the right, Fig. 2, and its weighted end striking one of the extremities of the rocking bar it rocks said bar on its pivot, and thereby raises the pistonsj j until said rocking bar strikes a suitable stop. Then as the bell falls the pivoted arm 70 will be moved on its pivot in the opposite way and engaging the projection on the weighted arm will again lift said arm intoits perpendicular position and throw it a little farther, and then as said weighted arm falls to the left its weighted end will strike the other extremity of the rocking bar It and rock said bar on its pivot until said bar strikes a suitable stop, and during this movement of said rocking bar the pistonsj 3' will be moved in the opposite way.

By the apparatus herein described gas will be delivered to the holder at an extraordinary pressure and will be delivered to the pipe I) at a constant blowpipe-pressure, and at the burner additional air will be drawn in to effect complete combustion.

The pipe 11, leading to the burner, will be of ordinary or standard size, and as the gas is delivered at a bloWpipe-pressure a short intense flame, similar to a blowpipe-flame, will be produced, and the candle-power of the light will be augmented.

The apparatus may be employed for heating purposes as well as lighting purposes, and in such event corresponding advantages will be derived. 7 Y

Having thus described my invention, what I claim as new, and desire to secure by Letters Patent, is-

1. The combination of a burner having airinlets at the bottom, a pipe leading thereto, a holder from which said pipe leads having a pressure device whereby the gas is delivered at a constant blowpipe-pressure, a pump for delivering the gas to said holder having a pressure device exerting a greater pressure than the pressure device of said holder, means for operating said pump, and a pipe connected to said pump which pipe is connected with a supply of illuminatingas, substantially as described.

2. The combination of a burner having airinlets at the bottom, a pipe leading thereto, a holder from which said pipe leads having a pressure device whereby the gas is delivered at a constant blowpipe-pressnre, means controlled by the volume of gas in said holder for regulating the delivery of gas thereto, a pump for delivering gas to said holder having a pressure device exerting a greater pressure than the pressure device of the holder, means for operating saidpump, and a pipe connected to said pump which pipe is connected with a. supply of illuminatingas, substantially as described. w

3. The combination of a burner having airinlets at the bottom, a pipe leading thereto, a holder for holding a variable volume of gas underconstant pressure from which said pipe leads having a pressure device whereby the gas is delivered at a blowpipe-pressuref a valve controlledby the volume of gas in said holder for regulating the delivery of gas thereto, a pump for delivering gas to said holder having a pressure device exerting a greater pressure than the pressure device ofv the holder, means for operating said pump,

and a pipe connected to said pump which pipe is connected with a supply of illumihating-gas, substantially as described.

In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.

CHARLES W. .HINMAN.

Witnesses:

B. J. NoYEs, J. L. HUTOHINSON..

Ico' 

